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Hi Paul,

Thanks sooo much for your explanation.. Now I got the idea, coz I guess I got the wrong C1 and C4. I got ceramic caps for C1 and C4, which colors are green, and I think those are not suitable for audio systems such as DIY effects. I'll try to get those film caps soon..
I've done soldering all components actually, but it didn't work when tested (T_T), so I tried to look for build reports, and I recognized that I have different kind of Caps for C1 and C4. That's why I asked you...
Still trying to fix my thunderpuss.. hope it'll work soon..

Regards,
Nuke

Hi Paul,

I'm working on thunderpuss project, but confused about capacitors, I saw your C1 & C4 are box shaped, are they 1nf & 100nf film/ polypropilene caps? I'm newbie to electronics and unfamiliar with different kind of it.

Regards,
nuke

1. Have you tried Tayda Electronics? I'm fairly certain they'll ship to you.
2. No, a JFet will not work in place of a MOSFET.
3. It won't work.

Jacob

Thanks Jacob, I finally got BS170 from a local importer.. its was very hard to find one in my country.. but now I got it.. next is to try it..

Hi all, I am newbie to DIY stompbox projects, and thank you to this site which encourages me to do my first WIP Thunderpuss Project. I have some questions to ask:

1. I have difficulty in getting BS170 or 2N7000 transistors.. is there any good substitution for that?
2. What if I use 2N5458?? Would it cause problems? Coz its a JFET not MOSFET.
3. What will happen if I use JFET Transistor in Thunderpuss?? Will it become a Gain booster or something? Or it won't work at all?

I would appreciate for any guidance for my questions here. I'm sorry if my English is bad, coz I'm Indonesian  

Regards,